Question

The frequency of electromagnetic wave, which is best suited
to observe a particle of radius 3 × 10⁻⁴ cm is of the order of
(a) 10¹⁵ (b) 10¹⁴
(c) 10¹³ (d) 10¹²

Answer 1

Answer:

Explanation:

the best suited size of the particle = λ = c/v

λ=3 × 10⁻⁴ cm

3 × 10⁻⁴ cm=3 × 10⁻8/v

V= 10¹⁴

Hope it's help you

Answer 2

Answer:

option b

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